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Finding the Fourth Proportional to 93,335.44, 140,000.64 and 30,155.44

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Solution

The fourth proportional to 93,335.44, 140,000.64 and 30,155.44 is: 45,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,335.44 : 140,000.64 = 30,155.44 : x
  2. Step 2: Convert to fraction form
    93,335.44/140,000.64 = 30,155.44/x
  3. Step 3: Cross multiply
    93,335.44x = 140,000.64 × 30,155.44
  4. Step 4: Simplify right side
    93,335.44x = 4,221,780,899.48
  5. Step 5: Solve for x
    x = 4,221,780,899.48/93,335.44
  6. Step 6: Final answer
    x = 45,232.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.